Home / 9,145,506.36-12,619,011.42-5,423,648.16

Finding the Fourth Proportional to 9,145,506.36, 12,619,011.42 and 5,423,648.16

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Solution

The fourth proportional to 9,145,506.36, 12,619,011.42 and 5,423,648.16 is: 7,483,574.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145,506.36 : 12,619,011.42 = 5,423,648.16 : x
  2. Step 2: Convert to fraction form
    9,145,506.36/12,619,011.42 = 5,423,648.16/x
  3. Step 3: Cross multiply
    9,145,506.36x = 12,619,011.42 × 5,423,648.16
  4. Step 4: Simplify right side
    9,145,506.36x = 68,441,078,069,101.99
  5. Step 5: Solve for x
    x = 68,441,078,069,101.99/9,145,506.36
  6. Step 6: Final answer
    x = 7,483,574.49

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.